320488378 has 8 divisors (see below), whose sum is σ = 549408672. Its totient is φ = 137352156.

The previous prime is 320488321. The next prime is 320488397. The reversal of 320488378 is 873884023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11446000 + ... + 11446027.

It is an arithmetic number, because the mean of its divisors is an integer number (68676084).

Almost surely, 2^320488378 is an apocalyptic number.

320488378 is a deficient number, since it is larger than the sum of its proper divisors (228920294).

320488378 is a wasteful number, since it uses less digits than its factorization.

320488378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22892036.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 320488378 is about 17902.1891957380. The cubic root of 320488378 is about 684.3381662321.

The spelling of 320488378 in words is "three hundred twenty million, four hundred eighty-eight thousand, three hundred seventy-eight".